JPS52150780A - Treatment of waste liquid containing hexa valent chromium - Google Patents

Treatment of waste liquid containing hexa valent chromium

Info

Publication number
JPS52150780A
JPS52150780A JP6846476A JP6846476A JPS52150780A JP S52150780 A JPS52150780 A JP S52150780A JP 6846476 A JP6846476 A JP 6846476A JP 6846476 A JP6846476 A JP 6846476A JP S52150780 A JPS52150780 A JP S52150780A
Authority
JP
Japan
Prior art keywords
waste liquid
treatment
liquid containing
valent chromium
containing hexa
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6846476A
Other languages
Japanese (ja)
Inventor
Toshio Takahata
Takeshi Hashimoto
Yoshinobu Maeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kawasaki Heavy Industries Ltd
Original Assignee
Kawasaki Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kawasaki Heavy Industries Ltd filed Critical Kawasaki Heavy Industries Ltd
Priority to JP6846476A priority Critical patent/JPS52150780A/en
Publication of JPS52150780A publication Critical patent/JPS52150780A/en
Pending legal-status Critical Current

Links

Landscapes

  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

PURPOSE: To remove Cr6+ as the precipitate of Cr(OH)3, without using a large amount of reducing agent, by heating Cr6+ contained waste liquid of Cr plating etc. with carbon and/or organic compounds, in acidic state and reducing Cr and moreover, neutralizing with alkali.
COPYRIGHT: (C)1977,JPO&Japio
JP6846476A 1976-06-10 1976-06-10 Treatment of waste liquid containing hexa valent chromium Pending JPS52150780A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6846476A JPS52150780A (en) 1976-06-10 1976-06-10 Treatment of waste liquid containing hexa valent chromium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6846476A JPS52150780A (en) 1976-06-10 1976-06-10 Treatment of waste liquid containing hexa valent chromium

Publications (1)

Publication Number Publication Date
JPS52150780A true JPS52150780A (en) 1977-12-14

Family

ID=13374427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6846476A Pending JPS52150780A (en) 1976-06-10 1976-06-10 Treatment of waste liquid containing hexa valent chromium

Country Status (1)

Country Link
JP (1) JPS52150780A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014047393A (en) * 2012-08-31 2014-03-17 Taseto:Kk Electrolytic solution
CN110156122A (en) * 2018-11-02 2019-08-23 福建省隆辉环保工程有限公司 Electroplating concentrated control zone sewage chromium mud recovery method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014047393A (en) * 2012-08-31 2014-03-17 Taseto:Kk Electrolytic solution
CN110156122A (en) * 2018-11-02 2019-08-23 福建省隆辉环保工程有限公司 Electroplating concentrated control zone sewage chromium mud recovery method

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